Electric field dependent dielectric constant and non-linear susceptibility in SrTiO3

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dc.contributor.authorBöhmer, Roland
dc.contributor.authorHemberger, J.
dc.contributor.authorLunkenheimer, P.
dc.contributor.authorViana, R.
dc.contributor.authorLoidl, A.
dc.date.accessioned2008-06-13T09:04:07Z
dc.date.available2008-06-13T09:04:07Z
dc.date.issued1995
dc.description.abstractSrTiO3 belongs to the class of incipient ferroelectrics in which an electrically ordered state is suppressed by quantum fluctuations. To investigate the nature of these excitations, we have measured the linear and nonlinear susceptibilities of SrTiO3 as a function of temperature T and field E. The application of large fields E counteracts the fluctuations and forces the system into an ordered state. The (E,T) diagram is presented. The field dependence of the dielectric constant can be well described within an Ising model including quantum tunneling. Minima in the third harmonic susceptibility, which is a measure of ferroelectric correlations, are taken as evidence for the onset of coherent tunneling phenomena near T=33 K.en
dc.identifier.citationHemberger, J.; Böhmer, R.; Lunkenheimer, P.; Viana, R.; Loidl, A.: Electric field dependent dielectric constant and non-linear susceptibility in SrTiO3. In: Physical Review B Nr. 18, Jg. 52(1995), 13159-13162, doi: 0.1103/PhysRevB.52.13159.de
dc.identifier.doi10.1103/PhysRevB.52.13159
dc.identifier.urihttp://hdl.handle.net/2003/25558
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-2365
dc.identifier.urlhttp://dx.doi.org/10.1103/PhysRevB.52.13159
dc.language.isoende
dc.publisherThe American Physical Societyen
dc.rights©1995 The American Physical Societyen
dc.subject.ddc530
dc.titleElectric field dependent dielectric constant and non-linear susceptibility in SrTiO3en
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted

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